This rather lengthy dissertation on blood sugar values is prepared in three parts. The first deals with the reports in the literature concerning blood sugar values in normal adults, which have been determined by various authors and with various methods. The author points out that these values are not constant from day to day or from hour to hour, and that there may be slight variations due to emotions and physical exertion.
Alimentary hyperglycemia in adults has been studied for the most part by the administration of from 1 to 2 Gm. of dextrose per kilogram of body weight. This results in a maximal blood sugar value at from one-half to one hour, the figures ranging from 0.13 to 0.18 per cent. This rise subsides within the following two and a half hours, and any rise remaining after three hours is considered pathologic. There may be a subsequent hypoglycemia with